Article 200/210
According to Article 200, what color is the grounded conductor normally identified by?
White or Gray
Which areas are excluded from lighting load calculations in dwelling units?
Garages, open porches, unfinished or unused spaces
How many services are allowed at A building?
1 unless specified under special provisions
What does Article 300 of the NEC primarily cover?
Wiring Methods
What size feeders are used for a 200 amp service using copper conductors?
2/0
How are grounded conductors identified in conduit or raceways?
By color coded tape, markings or wire color
What VA is used for each small—appliance or laundry branch circuit load in dwelling units?
1500
How many feet from a window do the open conductors need to be from a window, door, porch, balcony etc.?
3’
In which type of location is the use of ENT not permitted?
Plenums
What size RHW conductor would be used for a 360 amp circuit using the 75º column?
500’s
Why is it important to correctly identify grounded conductors?
To prevent electrical shock and ensure proper operation
The demand factor for non-dwelling receptacle loads exceeding 10kVA is?
50%
How do you support a service mast?
Braces or guy wires
In which of the following locations is the use of MC cable prohibited?
Hazardous locations
What size aluminum conduct or would be used for a circuit that is 195 amps, using THWN in the 65º column?
250’s
Per 210.8(F0, GFCI protection is required for which of the following dwelling unit areas?
Kitchens, bathrooms, garages, basements and outdoors.
When the unbalanced load exceeds 200A, what reduction is permitted for the neutral conductor?
70% over 200A
A drip loop is required on all service conductors for what reason?
To not let water or moisture into meter
What is the purpose of a pull box in a conduit system?
To provide access for conductor installation
If you have 7-9 current carrying conductors in a single raceway and you are using #3 copper THHW which are rated at 100 amps, how many amps are they rated for?
70 amps
In a bedroom, living room, etc. what is the maximum horizontal distance from any point on the wall to a receptacle outlet?
12’
How should fractions of an ampere be handled in load calculations?
Round up to nearest whole amp; round down less than .5
What should your labeling be on your disconnect at the meter be?
Emergency disconnect/Service disconnect
In which type of location is the use of nonmetallic-sheathed cable permitted?
Residential dwellings
If you have 6 current carrying conductors in a single raceway and you are using #8 XHWN, how many amps are the conductors rated for?
40 amps